Patents Assigned to Philip Graham Hertel
  • Automated corrugated box processing equipment
    Patent number: 5054262
    Abstract: A device for the releasing of tabs found on the diagonally facing corners of tab-locked corrugated cardboard boxes. The boxes are moved along a track whereupon they are deformed to enable a release means positioned along the track to slip between major flap and the sidewall of the corrugated box to release a first tab. The box is then turned at least 90.degree. and the process repeated.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: October 8, 1991
    Assignee: Philip Graham Hertel
    Inventors: Philip G. Hertel, James D. DuVander, Michael K. Jewett